open class YPushOption {
    public init(
        appKey: String!,
        server: String? = nil,
        isProduction: Bool = true,
        showNotificationWhenOnline: Bool = false
    ) {
        self.appKey = appKey
        self.server = server
        self.isProduction = isProduction
        self.showNotificationWhenOnline = showNotificationWhenOnline
    }
    
    let appKey: String!
    let server: String?
    let showNotificationWhenOnline: Bool
    let isProduction: Bool
}
